Formation and evolution of new primordial open cluster groups: Feedback-driven star formation

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Volume 696 (April 2025)

A&A, 696 (2025) A117

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Table 2

General properties of OC groups.

Group	1	b	Age	D_now	D_compact	t_compact	N
	(deg)	(deg)	(Myr)	(pc)	(pc)	(Myr)
(1)	(2)	(3)	(4)	(5)	(6)	(7)	(8)
G1	67.45	−0.09	${72.00}_{- 15}^{+ 15}$ $72.00_{-15}^{+15}$	94.26	72.41	−27.0	6
G2	62.94	13.89	${37.00}_{- 7}^{+ 5}$ $37.00_{-7}^{+5}$	38.98	36.44	−8.0	8
G3	56.50	3.04	${22.00}_{- 5}^{+ 6}$ $22.00_{-5}^{+6}$	18.43	9.27	−3.5	3
G4	81.82	6.73	${41.00}_{- 1}^{+ 12}$ $41.00_{-1}^{+12}$	23.96	21.21	−5	3

Notes. Columns (2) and (3): median galactic longitude and latitude of member OCs. Column (4): median age of member OCs, with lower and upper boundaries representing the differences between the median and the minimum and maximum, respectively. Column (5): present-day size. Column (6): most compact size. Column (7): time of most compact size. Column (8): number of member OCs.

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